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Minecraft Java 1.21 Mods

Browse 136 free mods for Minecraft Java 1.21 — popular picks include Shahed, PVP_PLAYER_BOT, Create: Wings Plus.

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Shahed
1.21.1neoforge

Shahed

Adds a Shahed kamikaze drone controlled via terminal, radar threat detection, and air raid sirens — all with realistic positional audio and sound physics.

4.7kdownloads
PVP_PLAYER_BOT
1.21.3fabric

PVP_PLAYER_BOT

“COMBACT Mod adds intelligent AI combat bots with realistic player-like behavior. Bots dodge, use totems and food strategically, retreat at low health, and have customizable difficulty tiers — perfect for honing Minecraft COMBACT skills.”

3.7kdownloads
Create: Wings Plus
1.21.1neoforge

Create: Wings Plus

This mod adds new kinds of sails with functions of other blocks. The intent of these new blocks is to replace blocks in the wings of planes and other aircraft and in some cases make them more realistic aswell.

3.5kdownloads
Realistic Torches (Reborn)
1.20.1fabric

Realistic Torches (Reborn)

Makes torches burn out after a configurable amount of time.

3.5kdownloads
MineCoasters
1.21.1neoforge

MineCoasters

Build realistic-physics roller coasters: off-grid track, momentum-driven trains, lifts, launches, loops, and more.

3.3kdownloads
Modern Elements
1.21.1neoforge

Modern Elements

Explore 100+ realistic chemicals with Modern Elements! From Acids and Bases to Organic compounds and Alloys, this mod brings authentic chemistry to Minecraft 1.21.1. Featuring custom 3D lab models, dynamic fluid tints, and a full periodic table.

2.7kdownloads
GhibliBlocks 512x
1.20

GhibliBlocks 512x

Hand-Painted/Ghibli Art like Minecraft Texture Pack created through structured AI image generation (+lot of manual corrections), demonstrating how far precise prompt engineering can push visual consistency and artistic control.

2.6kdownloads
Better Elevators Mod
1.21neoforge

Better Elevators Mod

Adds (mostly) realistic Elevators to Minecraft.

2.6kdownloads
MxSxC1 Time Machine Textures
1.21.10

MxSxC1 Time Machine Textures

Time Machine Texture Pack (Alpha) - For use with our other packs. Parrot/ Spyglass Scope / Blocks / Mirrors / Multiple Blocks / Invisible Glass This is for use with the The Time Machine Data Pack Moon Phases.

2.3kdownloads
DK NPCS
1.8

DK NPCS

Lightweight NPC system that creates realistic player NPCs with custom skins, interactions, and command support.

2.2kdownloads
MI-PBR
1.16

MI-PBR

Simple PBR textures for the Modern Industrialization mod.

2.2kdownloads
Blackjack
1.20

Blackjack

A physical blackjack table plugin for Minecraft servers that creates interactive card tables in the game world. Players can join tables, place bets, and play blackjack with realistic 3D card displays.

2.1kdownloads
Project: Explosive
1.21.1neoforge

Project: Explosive

Adds realistic explosions while keeping Minecraft’s vanilla style.

2.1kdownloads
Trauma: Health Overhaul
1.21.1neoforge

Trauma: Health Overhaul

Realistic medical simulation mod for Minecraft that adds advanced injury.

1.9kdownloads
Meloon's Realistic Thunder
1.21.9

Meloon's Realistic Thunder

This datapack upgrades weather in storms by bringing cozy delayed thunder to Minecraft

1.8kdownloads
Map Tools
1.21

Map Tools

Essential utilities for creating maps or building. Create smooth animations, realistic message printing, resource pack management, block display tools, danger command checker, position saver and much more

1.8kdownloads
Streive's Weapons
1.21.8fabric

Streive's Weapons

Streive's Weapons mod adds diverse firearms with realistic mechanics and customization options to Minecraft. Craft, customize, and wield powerful guns for enhanced combat and exploration experiences.

1.6kdownloads
Sirencraft
1.21.1neoforge

Sirencraft

Semi-realistic air raid sirens for disaster/emergency calls

1.5kdownloads
Advanced Explosions
1.21fabric

Advanced Explosions

Adds powerful explosives like Nuclear, Napalm, and Implosion TNT with visual effects, realistic physics, and unique destruction patterns.

1.4kdownloads
Better craftable trident
1.21.4neoforge

Better craftable trident

A simple mod that adds a realistic crafting recipe for the trident.

1.4kdownloads
Nuclear Craft UPdated
1.21.1neoforge

Nuclear Craft UPdated

A modern port of NuclearCraft for 1.21 featuring advanced nuclear reactors, realistic fuel processing, and complex radiation mechanics for high-tech gameplay.

1.3kdownloads
MoreTraffic
1.21.1neoforge

MoreTraffic

A TrafficCraft & Create addon adding realistic, programmable infrastructure and decorations to your world.

1.3kdownloads
TireTrack
1.21.1neoforge

TireTrack

TireTrack is an addon for Create that makes vehicle movement more realistic. Wheels leave tracks on the turf, and atmospheric dust effects appear. The mod perfectly complements cars and other machinery by adding greater visual detail.

1.2kdownloads
G1axWorldGenerator
1.21

G1axWorldGenerator

G1axWorldGenerator is an open-source Minecraft world generation plugin designed to create biome-aware, layered terrains with realistic hills, valleys, and block depth structures.

1.1kdownloads
Hornost`s Tools Reimagined
1.21.1

Hornost`s Tools Reimagined

Makes tool models more beautiful and industrial

1.0kdownloads
Immersion in Traffic Context 2
1.21.1neoforge

Immersion in Traffic Context 2

Adds customizable barriers & asphalt roads (+30% speed!). Design unique streets, works with/without Ultimate Car Mod. Survival recipes included. Build realistic traffic systems!

1.0kdownloads
DIY  hobbyists (carpentry)
1.20.1forge

DIY hobbyists (carpentry)

A carpentery mod that enhances the player's building skills, for realistic gameplay!

1.0kdownloads
Researchd
1.21.1neoforge

Researchd

Factorio research in Minecraft

1.0kdownloads
Hyper Real Minecraft
1.21fabric

Hyper Real Minecraft

Just a modpack adding many realistic items, visuals, biomes, and more.

962downloads
Energy Shield
1.21

Energy Shield

Transparent animated engery shield with custom sound. sometimes flickers red, blue, green

944downloads
Create - Tamed Frontiers
1.21.1neoforge

Create - Tamed Frontiers

Build a thriving railway empire across vast realistic landscapes. Found colonies, automate industries, connect distant settlements by train, and turn the wilderness into a living economy.

832downloads
Infrastructure Plus
1.21.8neoforge

Infrastructure Plus

Infrastructure Plus is a mod focused on realistic infrastructure and urban development in Minecraft. It continuously expands the game with new building assets for detailed and authentic environments. (Best use as MTR Addon)

782downloads
NeoGuanNiao
1.21.1neoforge

NeoGuanNiao

Neo Guan Niao adds a living bird ecosystem to Minecraft, featuring realistic behaviors, individual bird traits, breeding, nests, bird guides, and immersive wildlife interactions.

748downloads
IBREALISTIC
1.21.3fabric

IBREALISTIC

The Unofficial fork of OpenBoatUtils, original by o7moon. This mod added MORE realistic rally aspects for IBREAL or another server

689downloads
Fake Tab Players
1.20

Fake Tab Players

An advanced Paper/Spigot plugin that adds realistic, AI-driven fake players to your server's TAB list. Fake TAB players with LuckPerms + AI chat.

623downloads
Create - New Age Survival
1.21.1neoforge

Create - New Age Survival

Create Realistic Survival, with magic, machines and beautiful world!

545downloads